. >> our goal as a tech museum and the tech challenge is to require them to keep going in science, technology, engineering and math careers and fields. so if we can get the kids to start designing at a young age, to start innovating at a young age, hopefully they'll love it and have a successful career. >> the tech challenge continues tomorrow. >>> cool event to take the kids to. paul is here. >> not only did you study science but apparently personal relationships because you have something for everybody this week. don't you. >> trying to make everybody happy. >> it will be toasty. >> you'll be like oh, april. are we already starting this? the answer is yes for a couple of days but if you like it cooler we have that in the forecast, as well. so i'm just the bearer of the information. you can thank mother nature for the weather for the next few days. it was 80 when you left in livermore and then 77 and got to oakland where all these folks are, now 71. by the time you get to san francisco, it will be in the 50s. that's because we have a light onshore flow. not enough to impact you out toward li